Correlates and consequences of stress in infancy

Infant stress (physical or separation) will be correlated with age at menarche (366).

Girls reach menarche earlier in societies where infant stress is present.

Test
Test Name	Support	Significance	Coefficient	Tail
t-test	Supported	p<.05	`UNKNOWN`	`UNKNOWN`

Variables
Variable Name	Variable Type	OCM Term(s)
Age At Menarche	Dependent	Development And Maturation
Physical Or Separation Stress In Infants	Independent	Body Alterations, Childbirth, Infant Care

Main Author	Published Year	Hypothesis	Supported	Variables Tested
Whiting, John W.M.	1965	"The association between menarcheal age and the Gunders mother separation scores . . . [indicates] that this type of stress also leads to early menarche" (228)	Supported	2	Cite Related Hypotheses More By Author
Whiting, John W.M.	1965	Menarcheal age was negatively related to infant cold stress and infant internal stress (227)	Supported	3	Cite Related Hypotheses More By Author
Whiting, John W.M.	1965	"[When] we . . . correlated menarcheal age with the Landauer-Whiting measure of infant stress . . . pain and shaping did show a positive association" (226)	Supported	3	Cite Related Hypotheses More By Author
Gunders, Shulamith	1968	"Adult males are on the average taller in societies judged to practice periodic mother-infant separation than they are in societies where such customs are judged to be weak" (199)	Supported	2	Cite Related Hypotheses More By Author
Whiting, John W.M.	1965	"The average menstrual age is younger in societies where the average height of females is greater" (223)	Supported	2	Cite Related Hypotheses More By Author